The eleventh season of CSI: Crime Scene Investigation premiered on CBS on September 23, 2010, and ended May 12, 2011. The season stars Marg Helgenberger and Laurence Fishburne. Plot Langston fights for his life ("Shockwaves") as Catherine meets a man from her past ("Pool Shark"), in the eleventh season of CSI. Willows and her team face both personal and professional demons this season, as they investigate cases including a decapitation ("Blood Moon"), the knife attack of a Vegas icon ("Sqweegel"), a woman with a hoarding condition ("House of Hoarders"), a T-Rex attack ("Cold Blooded"), a human shredding ("Bump & Grind"), a death connected to fracking ("Fracked"), a murder committed by a cat and a parrot ("Wild Life"), a body in a bin ("Man Up"), and the death of an FBI Agent ("418/427"). Meanwhile, Greg tries to romance a burlesque dancer ("A Kiss Before Frying"), Sara comes face-to-face with her mother-in-law ("The Two Mrs. Grissoms"), Ray's wife comes to Vegas ("All That Cremains"), Nick is forced to shoot and kill a suspect ("Targets of Obsession"), Sofia returns to the CSI team ("Father of the Bride"), and Catherine loses control of her team in Los Angeles ("Cello and Goodbye"). Cast Main Laurence Fishburne as Raymond Langston, a CSI Level 2 Marg Helgenberger as Catherine Willows, a CSI Level 3 Supervisor George Eads as Nick Stokes, a CSI Level 3 Assistant Supervisor Jorja Fox as Sara Sidle, a CSI Level 3 Eric Szmanda as Greg Sanders, a CSI Level 3 Robert David Hall as Al Robbins, the Chief Medical Examiner Wallace Langham as David Hodges, a Trace Technician David Berman as David Phillips, an Assistant Medical Examiner Paul Guilfoyle as Jim Brass, a Homicide Detective Captain Recurring Jon Wellner as Henry Andrews Archie Kao as Archie Johnson Katee Sackhoff as Frankie Reed Marc Vann as Conrad Ecklie Alex Carter as Lou Vartann Bill Irwin as Nate Haskell Guest stars Liz Vassey as Wendy Simms William Petersen as Gil Grissom Melinda Clarke as Heather Kessler Louise Lombard as Sofia Curtis Elisabeth Harnois as Morgan Brody Method Man as Drops Ann-Margret as Margot Wilson Dita Von Teese as Ellen Whitebridge Justin Bieber as Jason McCann Changes Liz Vassey departs the cast in episode two of the season, while Jorja Fox rejoins the regular cast in the season premiere. Laurence Fishburne departs at the season's end. Former cast members William Petersen and Louise Lombard guest star.